Question

5x^2-5=120

Answer 1

If you're solving for x, then you must get x alone :\[5x^2 = 120+5 \rightarrow x^2 = \frac{125}{5} \]\[x = \pm \sqrt(25) \rightarrow x = \pm5\]

^_^

Answer 2

X = \[\pm5\]